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Electrostatic capacity-type sensor

  • US 20090015270A1
  • Filed: 06/03/2008
  • Published: 01/15/2009
  • Est. Priority Date: 07/12/2007
  • Status: Active Grant
First Claim
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1. An electrostatic capacity-type sensor comprising a dielectric film made of an elastomer and a pair of electrodes arranged via said dielectric film, wherein:

  • said pair of electrodes have an elastomer and a conductive filler blended in said elastomer, and are expansible/contractible depending on the deformation of said dielectric film, and exhibit a small change in the conductivity even when expanded and contracted; and

    a deformation is detected based on a change in the electrostatic capacity between said pair of electrodes.

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